1100120209983 has 12 divisors (see below), whose sum is σ = 1589158141168. Its totient is φ = 733369343040.

The previous prime is 1100120209973. The next prime is 1100120210003. The reversal of 1100120209983 is 3899020210011.

It is not a de Polignac number, because 1100120209983 - 2²⁴ = 1100103432767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100120209913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3519283 + ... + 3819108.

Almost surely, 2^{1100120209983} is an apocalyptic number.

1100120209983 is a deficient number, since it is larger than the sum of its proper divisors (489037931185).

1100120209983 is a wasteful number, since it uses less digits than its factorization.

1100120209983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355054 (or 7355051 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

Adding to 1100120209983 its reverse (3899020210011), we get a palindrome (4999140419994).

The spelling of 1100120209983 in words is "one trillion, one hundred billion, one hundred twenty million, two hundred nine thousand, nine hundred eighty-three".